Subtract 42/36 from 1/27, Solve 1/27

Subtract 42/36 from 1/27

1^st number: 1/27, 2^nd number: 1 6/36

1/27 - 42/36 is -61/54.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 36 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 27 × 4 = 108,
1/27 = 1 × 4/27 × 4 = 4/108
Likewise, for the 2nd fraction, since 36 × 3 = 108,
42/36 = 42 × 3/36 × 3 = 126/108
Subtract the two like fractions:
4/108 - 126/108 = 4 - 126/108 = -122/108
After reducing the fraction, the answer is -61/54

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